From 32d6a8d18c4598e9ac11862a9d27733766075b05 Mon Sep 17 00:00:00 2001
From: Alexandre <alexandre.pary@gmail.com>
Date: Tue, 30 Nov 2021 13:36:23 +0100
Subject: [PATCH] allow config yaml

---
 webtrees/config.json                      | 10 +--
 webtrees/rootfs/scripts/90-config_yaml.sh | 79 +++++++++++++++++++++++
 2 files changed, 82 insertions(+), 7 deletions(-)
 create mode 100644 webtrees/rootfs/scripts/90-config_yaml.sh

diff --git a/webtrees/config.json b/webtrees/config.json
index af6a0826c..28f36fe2f 100644
--- a/webtrees/config.json
+++ b/webtrees/config.json
@@ -21,10 +21,8 @@
   "map": ["share:rw", "ssl"],
   "name": "Webtrees",
   "options": {
-    "ssl_not_working": false,
-    "certfile": "fullchain.pem",
-    "keyfile": "privkey.pem",
-    "BASE_URL": "http://192.168.178.69",
+    "CONFIG_LOCATION": "/config/addons_config/webtrees/config.yaml",
+    "BASE_URL": "http://192.168.178.23",
     "DB_TYPE": "sqlite"
   },
   "ports": {
@@ -36,9 +34,7 @@
     "443/tcp": "Https web interface"
   },
   "schema": {
-    "ssl_not_working": "bool",
-    "certfile": "str",
-    "keyfile": "str",
+    "CONFIG_LOCATION": "str",
     "BASE_URL": "url",
     "DB_TYPE": "list(sqlite|external)"
   },
diff --git a/webtrees/rootfs/scripts/90-config_yaml.sh b/webtrees/rootfs/scripts/90-config_yaml.sh
new file mode 100644
index 000000000..a3e2b4ec9
--- /dev/null
+++ b/webtrees/rootfs/scripts/90-config_yaml.sh
@@ -0,0 +1,79 @@
+#!/usr/bin/env bashio
+
+##################
+# INITIALIZATION #
+##################
+
+# Where is the config
+CONFIGSOURCE=$(bashio::config "CONFIG_LOCATION")
+
+# Check if config file is there, or create one from template
+if [ -f $CONFIGSOURCE ]; then
+    echo "Using config file found in $CONFIGSOURCE"
+else
+    echo "No config file, creating one from template"
+    # Create folder
+    mkdir -p "$(dirname "${CONFIGSOURCE}")"
+    # Placing template in config
+    if [ -f /templates/config.yaml ]; then
+        # Use available template
+        cp /templates/config.yaml "$(dirname "${CONFIGSOURCE}")"
+    else
+        # Download template
+        TEMPLATESOURCE="https://raw.githubusercontent.com/alexbelgium/hassio-addons/master/zzz_templates/config.template"
+        curl -L -f -s $TEMPLATESOURCE --output $CONFIGSOURCE
+    fi
+    # Need to restart
+    bashio::log.fatal "Config file not found, creating a new one. Please customize the file in $CONFIGSOURCE before restarting."
+    # bashio::exit.nok
+fi
+
+# Check if yaml is valid
+EXIT_CODE=0
+yamllint -d relaxed --no-warnings $CONFIGSOURCE &>ERROR || EXIT_CODE=$?
+if [ $EXIT_CODE = 0 ]; then
+    echo "Config file is a valid yaml"
+else
+    cat ERROR
+    bashio::log.fatal "Config file has an invalid yaml format. Please check the file in $CONFIGSOURCE. Errors list above."
+    # bashio::exit.nok
+fi
+
+# Export all yaml entries as env variables
+# Helper function
+function parse_yaml {
+    local prefix=$2 || local prefix=""
+    local s='[[:space:]]*' w='[a-zA-Z0-9_]*' fs=$(echo @ | tr @ '\034')
+    sed -ne "s|^\($s\):|\1|" \
+    -e "s| #.*$||g" \
+    -e "s|#.*$||g" \
+    -e "s|^\($s\)\($w\)$s:$s[\"']\(.*\)[\"']$s\$|\1$fs\2$fs\3|p" \
+    -e "s|^\($s\)\($w\)$s:$s\(.*\)$s\$|\1$fs\2$fs\3|p" $1 |
+        awk -F$fs '{
+      indent = length($1)/2;
+      vname[indent] = $2;
+      for (i in vname) {if (i > indent) {delete vname[i]}}
+      if (length($3) > 0) {
+         vn=""; for (i=0; i<indent; i++) {vn=(vn)(vname[i])("_")}
+         printf("%s%s%s=\"%s\"\n", "'$prefix'",vn, $2, $3);
+      }
+     }'
+}
+
+# Get variables and export
+bashio::log.info "Starting the app with the variables in $CONFIGSOURCE"
+for word in $(parse_yaml "$CONFIGSOURCE" ""); do
+    # Clean output
+    word=${word//[\"\']/}
+    # Data validation
+    if [[ $word =~ ^.+[=].+$ ]]; then
+        sed -i "1a export $word" /etc/services.d/*/run                                   # Export the variable
+        sed -i "1a echo \$(tput setaf 2)... $word\$(tput setaf 0)" /etc/services.d/*/run # Show text in colour
+        bashio::log.blue "$word"
+    else
+        bashio::log.fatal "$word does not follow the structure KEY=text, it will be ignored and removed from the config"
+        sed -i "/$word/ d" ${CONFIGSOURCE}
+    fi
+    # Color text
+    sed -i "1a echo \$(tput setaf 2)Exporting ENV variables :\$(tput setaf 0)" /etc/services.d/*/run # Show text in colour
+done